ExpressLRS is now available at PhaserFPV! We are only stocking ELRS 2.4ghz receivers and modules for the time being. ELRS is an open-source RC link for RC & FPV applications. It is based on the fantastic Semtech SX127x/SX1280 hardware combined with an ESP8285, ESP32 or STM32.
For more information check out ELRS github